19441920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 63870912

約数和(自身を除く): 44428992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 83, 96, 120, 122, 128, 160, 166, 183, 192, 240, 244, 249, 256, 305, 320, 332, 366, 384, 415, 480, 488, 498, 610, 640, 664, 732, 768, 830, 915, 960, 976, 996, 1220, 1245, 1280, 1328, 1464, 1660, 1830, 1920, 1952, 1992, 2440, 2490, 2656, 2928, 3320, 3660, 3840, 3904, 3984, 4880, 4980, 5063, 5312, 5856, 6640, 7320, 7808, 7968, 9760, 9960, 10126, 10624, 11712, 13280, 14640, 15189, 15616, 15936, 19520, 19920, 20252, 21248, 23424, 25315, 26560, 29280, 30378, 31872, 39040, 39840, 40504, 46848, 50630, 53120, 58560, 60756, 63744, 75945, 78080, 79680, 81008, 101260, 106240, 117120, 121512, 151890, 159360, 162016, 202520, 234240, 243024, 303780, 318720, 324032, 405040, 486048, 607560, 648064, 810080, 972096, 1215120, 1296128, 1620160, 1944192, 2430240, 3240320, 3888384, 4860480, 6480640, 9720960, 19441920]

約数ペア:

[(1, 19441920), (2, 9720960), (3, 6480640), (4, 4860480), (5, 3888384), (6, 3240320), (8, 2430240), (10, 1944192), (12, 1620160), (15, 1296128), (16, 1215120), (20, 972096), (24, 810080), (30, 648064), (32, 607560), (40, 486048), (48, 405040), (60, 324032), (61, 318720), (64, 303780), (80, 243024), (83, 234240), (96, 202520), (120, 162016), (122, 159360), (128, 151890), (160, 121512), (166, 117120), (183, 106240), (192, 101260), (240, 81008), (244, 79680), (249, 78080), (256, 75945), (305, 63744), (320, 60756), (332, 58560), (366, 53120), (384, 50630), (415, 46848), (480, 40504), (488, 39840), (498, 39040), (610, 31872), (640, 30378), (664, 29280), (732, 26560), (768, 25315), (830, 23424), (915, 21248), (960, 20252), (976, 19920), (996, 19520), (1220, 15936), (1245, 15616), (1280, 15189), (1328, 14640), (1464, 13280), (1660, 11712), (1830, 10624), (1920, 10126), (1952, 9960), (1992, 9760), (2440, 7968), (2490, 7808), (2656, 7320), (2928, 6640), (3320, 5856), (3660, 5312), (3840, 5063), (3904, 4980), (3984, 4880)]